U.S.-supported battery products
Shop available sodium-ion cells and explore Founders Batch interest for ZERITHIUM sodium-ion packs, EVE MB31 314Ah cells, and configurable 12.8V and 51.2V LiFePO4 systems.
Limited 20Ah inventory
Singles are available now. Four-cell and larger quantities are sold out; join the free next-batch list for 4, 8, 16, or 32 cells.
Available sodium-ion cells
Open the exact SKU, confirm current availability, and understand what else is required before building a battery.
Available product path
U.S.-stock 32140 sodium-ion cell with a clear single-cell and four-cell builder path for testing, education, and documented DIY projects.
Available product path
Three individual U.S.-stock 46145 3.0V 20Ah sodium-ion cells remain. Multi-cell sets are sold out; join the free next-batch priority list for 4, 8, 16 or 32 cells.
Development only
Large-format sodium-ion cell retained for technical review while its exact-model electrical specification, documentation, included hardware, QC evidence, and shipping path are reconciled.
314Ah LiFePO4 Founders interest
Request pricing for EVE MB31 314Ah cells, a 12.8V-class four-cell path, or a 51.2V-class sixteen-cell system. These are inquiry and configuration paths—not in-stock promises.
founding batch
Request founders pricing for a documented 3.2V 314Ah LFP cell. Saltra will confirm the exact manufacturer model, batch identity, documents, freight and availability before any order.
founding batch
Request founders pricing for a four-cell 12V-class EVE MB31 314Ah matched set. Exact batch, documents, hardware, freight and availability are confirmed before any order.
founding batch
Request founders pricing for a sixteen-cell 51.2V-class EVE MB31 314Ah matched set. Exact batch, documents, hardware, freight and availability are confirmed before any order.
build to order
Configure a 12.8V-class 314Ah LFP builder system around four documented cells, a compatible 4S BMS, compression, main protection, disconnect, cabling and charging.
build to order
Configure a 51.2V 314Ah LFP storage system: cells only, matched 16-cell set, enclosure/BMS kit, or a complete controlled DIY BOM.
Need more than cells?
Ask about matched quantities, busbars, BMS direction, charging, enclosure, fusing, disconnects, and cables. Bare cells are not a finished pack.
Active balancers
Heltec products with built-in voltage displays. Active balancers do not replace a BMS.
Available product path
4S active balancer with voltage display for compatible LFP and NCM battery packs.
Available product path
8S active balancer with voltage display for compatible LFP, NCM, and LTO-range packs.
GridFrame power
Review Saltra rack PDU and DIN rail power products.
Available product path
U.S.-stock 12-outlet rack PDU with a UL 1077 supplementary breaker.
Available product path
U.S.-stock ETL-listed 12-outlet vertical rack PDU.
Available product path
120W DIN rail power module for compatible control-panel and automation applications.
Available product path
240W DIN rail power module for compatible control-panel and automation applications.
Available product path
480W DIN rail power module for compatible control-panel and automation applications.
Sodium-ion flagship
The initial two-unit Seplos batch is reserved for an existing Founders Batch customer. The planned supplier configuration is 16S1P, approximately 48V nominal, 210Ah, and approximately 10kWh. Future-batch interest is free.
Need help choosing?
Send the product, voltage, application, current demand, charger, inverter, and available space.